<template>
  <div class="register">
    <el-form ref="registerForm" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">HotTop注册</h3>
      <el-form-item prop="username">
        <el-input v-model="registerForm.username" type="text"  ref="username" auto-complete="off" placeholder="用户名">
          <i slot="prefix" class="el-icon-user-solid"></i>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="registerForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleRegister"
        >
          <i slot="prefix" class="el-icon-lock"></i>
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input
          v-model="registerForm.confirmPassword"
          type="password"
          auto-complete="off"
          placeholder="确认密码"
          @keyup.enter.native="handleRegister"
        >
          <i slot="prefix" class="el-icon-lock"></i>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <div  style="display: flex;">
          <el-input  v-model="registerForm.code"  placeholder="请输入您的验证码"  ref="code">
            <i slot="prefix" class="el-icon-circle-check"></i>
          </el-input>
          <div class="login-code" @click="refreshCode">
            <!--验证码组件-->
            <s-identify :identifyCode="identifyCode"></s-identify>
          </div>
        </div>
      </el-form-item>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click="register('registerForm')"
        >
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right;">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>Copyright © 2021-2022 hottop All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import SIdentify  from '../components/SIdentify'

export default {
  components: { SIdentify },
  name: "Register",
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.registerForm.password !== value) {
        callback(new Error("两次输入的密码不一致"));
      } else {
        callback();
      }
    };
    return {
      identifyCodes: "1234567890",
      identifyCode: "",
      code:"",//text框输入的验证码
      codeUrl: "",
      registerForm: {
        username: "",
        password: "",
      },
      registerRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
          { min: 2, max: 20, message: '用户账号长度必须介于 2 和 20 之间', trigger: 'blur' }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
          { min: 5, max: 20, message: '用户密码长度必须介于 5 和 20 之间', trigger: 'blur' }
        ],
        confirmPassword: [
          { required: true, trigger: "blur", message: "请再次输入您的密码" },
          { required: true, validator: equalToPassword, trigger: "blur" }
        ],
        code: [
          {required: true, message: '请输入验证码',trigger: 'blur'},
        ],
      },
      loading: false,
      captchaOnOff: true
    };
  },
  created() {
    this.refreshCode()
  },
  mounted() {
    this.identifyCode = "";
    this.makeCode(this.identifyCodes, 4);
  },
  methods: {
    //验证码
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min);
    },
    refreshCode() {
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
    },
    makeCode(o, l) {
      for (let i = 0; i < l; i++) {
        this.identifyCode += this.identifyCodes[this.randomNum(0, this.identifyCodes.length)];
      }
    },
    register(formName) {
      const _this = this
      if (_this.registerForm.code===_this.identifyCode){
        this.$refs[formName].validate((valid) => {
          if (valid) {
            // 提交逻辑
            this.$axios.post(this.$base_url+'register', this.registerForm).then((res) => {
              if (res.data.code ===200){
                this.$message({
                  message: res.data.data,
                  type: 'success'
                });
                _this.$router.push("/login")
              } else {
                this.$message.error(res.data.msg);
                this.$nextTick(() => {
                  this.$refs.username.focus()
                },100)
                this.refreshCode()
                return false
              }
            })
          } else {
            this.refreshCode()
            return false;
          }
        });
      } else{
        this.$message.error("验证码错误");
        this.$nextTick(() => {
          this.$refs.code.focus()
        },100)
        this.refreshCode()
        return false
      }
    }
  }
};
</script>

<style >
.register {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("https://cdn.jsdelivr.net/gh/yubifeng/blog-resource/bloghosting/2021/04/23/first87.png")!important;
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.register-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  /*.el-input {*/
  /*  height: 38px;*/
  /*  input {*/
  /*    height: 38px;*/
  /*  }*/
  /*}*/
  /*.input-icon {*/
  /*  height: 39px;*/
  /*  width: 14px;*/
  /*  margin-left: 2px;*/
  /*}*/
}
.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.register-code {
  width: 33%;
  height: 38px;
  float: right;
  /*img {*/
  /*  cursor: pointer;*/
  /*  vertical-align: middle;*/
  /*}*/
}
.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.register-code-img {
  height: 38px;
}
</style>
